FAG SS6251 Transfer Case Output Shaft Seal Kit - Rear

Transfer Case Output Shaft Seal Kit for GM Trucks

The FAG SS6251 transfer case output shaft seal kit is built for rear-position applications that need a precise seal around the transfer case output shaft. It is a fitment-based solution for Chevrolet K1500, K2500, K2500 Suburban, Tahoe, Blazer, and GMC K1500, K2500, Yukon, and Jimmy applications across multiple NP transfer case configurations.

With a polyacrylate sealing material and dimensions matched to the listed applications, this kit helps maintain a tight seal at the transfer case output area. The FAG SS6251 is also cross-referenced to SKF 19015A for the same application.

Key Features

• Part number: SS6251
• Transfer case output shaft seal kit for rear-position use
• Polyacrylate sealing material
• Bore diameter: 2.7 in. / 68.58 mm
• Seal outside diameter: 2.704 in. / 68.682 mm
• Seal width: 1.886 in. / 25.4 mm
• Fits a wide range of Chevrolet and GMC 4x4 truck and SUV applications

Detailed Description

FAG SS6251 is a transfer case output shaft seal kit engineered for specific rear applications in Chevrolet and GMC trucks and SUVs, including K1500, K2500, K2500 Suburban, Tahoe, Blazer, Yukon, and Jimmy models. It is listed for multiple New Process transfer case configurations, including NP208, NP241C, and NP243C applications, as well as select bushing and hub assembly setups noted in the fitment data. The seal is designed around demanding vehicle-specific requirements, with dimensions and sealing material selected to match the listed service applications.

This part number, SS6251, is a practical choice when servicing rear transfer case sealing on GM 4x4 platforms. It also cross-references SKF 19015A for the same application.

What This Part Helps Address

• Transfer case fluid leakage at the output shaft seal area
• Contamination from dirt, dust, and moisture entering the seal zone
• Loss of lubricant around the rear transfer case output
• Wear-related sealing issues on older Chevrolet and GMC 4x4 drivetrains
• Service needs on NP208, NP241C, and NP243C-equipped vehicles

Installation Notes and Fitment

Compatible With rear applications only. Verify transfer case type, bushing size, and hub assembly details before installation, since the fitment list includes multiple configurations for the same year and model. Fits 1988-1995 Chevrolet K1500, rear; Fits 1988-1999 Chevrolet K2500, rear; Fits 1992-1999 Chevrolet K2500 Suburban, rear; Fits 1992-1995 Chevrolet K1500 Suburban, rear; Fits 1995 Chevrolet Tahoe, rear; Fits 1987-1994 Chevrolet Blazer, rear; Fits 1981-1986 Chevrolet K10, rear; Fits 1981-1986 Chevrolet K20, rear; Fits 1981-1986 Chevrolet K30, rear; Fits 1981-1986 Chevrolet K5 Blazer, rear; Fits 1988-1991 Chevrolet K3500, rear; Fits 1987-1991 Chevrolet V10, rear; Fits 1987-1991 Chevrolet V20, rear; Fits 1987-1988 Chevrolet V30, rear; Fits 1981-1991 GMC Jimmy, rear; Fits 1981-1986 GMC K1500, rear; Fits 1981-1986 GMC K2500, rear; Fits 1981-1986 GMC K3500, rear; Fits 1987-1995 GMC K1500, rear; Fits 1987-1995 GMC K2500, rear; Fits 1987-1995 GMC K2500 Suburban, rear; Fits 1987-1991 GMC V1500 Suburban, rear; Fits 1987-1991 GMC V2500 Suburban, rear; Fits 1987-1991 GMC V3500, rear; Fits 1992-1995 GMC Yukon, rear; Fits 1971-1974 Pontiac LeMans, rear.

Quality Assurance

FAG designs seals using high-quality materials and application-specific specifications to meet vehicle manufacturer requirements. The SS6251 follows those standards for the listed transfer case applications and is built to support reliable sealing performance in service.